// ==UserScript==
// @name        Show Letterboxd rating
// @description Show Letterboxd rating on imdb.com, metacritic.com, rottentomatoes.com, BoxOfficeMojo, Amazon, Google Play, allmovie.com, Wikipedia, themoviedb.org, fandango.com, thetvdb.com
// @namespace   cuzi
// @icon        https://letterboxd.com/favicon.ico
// @grant       GM_xmlhttpRequest
// @grant       GM_setValue
// @grant       GM_getValue
// @grant       GM.xmlHttpRequest
// @grant       GM.setValue
// @grant       GM.getValue
// @require     https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js
// @license     GPL-3.0-or-later; https://www.gnu.org/licenses/gpl-3.0.txt
// @version     17
// @connect     letterboxd.com
// @match       https://play.google.com/store/movies/details/*
// @match       https://www.amazon.ca/*
// @match       https://www.amazon.co.jp/*
// @match       https://www.amazon.co.uk/*
// @match       https://smile.amazon.co.uk/*
// @match       https://www.amazon.com.au/*
// @match       https://www.amazon.com.mx/*
// @match       https://www.amazon.com/*
// @match       https://smile.amazon.com/*
// @match       https://www.amazon.de/*
// @match       https://smile.amazon.de/*
// @match       https://www.amazon.es/*
// @match       https://www.amazon.fr/*
// @match       https://www.amazon.in/*
// @match       https://www.amazon.it/*
// @match       https://www.imdb.com/title/*
// @match       https://www.serienjunkies.de/*
// @match       https://www.boxofficemojo.com/movies/*
// @match       https://www.boxofficemojo.com/release/*
// @match       https://www.allmovie.com/movie/*
// @match       https://en.wikipedia.org/*
// @match       https://www.fandango.com/*
// @match       https://www.flixster.com/movie/*
// @match       https://www.themoviedb.org/movie/*
// @match       https://www.rottentomatoes.com/m/*
// @match       https://rottentomatoes.com/m/*
// @match       https://www.metacritic.com/movie/*
// @match       https://www.nme.com/reviews/movie/*
// @match       https://www.nme.com/reviews/film-reviews/*
// @match       https://itunes.apple.com/*
// @match       https://www.tvhoard.com/*
// @match       https://thetvdb.com/movies/*
// @match       https://rlsbb.ru/*/
// @match       https://www.sho.com/*
// @match       https://psa.pm/*
// @downloadURL none
// ==/UserScript==

/* global GM, $ */

const baseURL = 'https://letterboxd.com'
const baseURL_search = baseURL + '/s/autocompletefilm?q={query}&limit=20&timestamp={timestamp}'
const baseURL_openTab = baseURL + '/search/{query}/'
const baseURL_ratingHistogram = baseURL + '/csi{url}rating-histogram/'

const cacheExpireAfterHours = 4

function minutesSince (time) {
  const seconds = ((new Date()).getTime() - time.getTime()) / 1000
  return seconds > 60 ? parseInt(seconds / 60) + ' min ago' : 'now'
}

function fixLetterboxdURLs (html) {
  return html.replace(/<a /g, '<a target="_blank" ').replace(/href="\//g, 'href="' + baseURL + '/').replace(/src="\//g, 'src="' + baseURL + '/')
}

function filterUniversalUrl (url) {
  try {
    url = url.match(/http.+/)[0]
  } catch (e) { }

  try {
    url = url.replace(/https?:\/\/(www.)?/, '')
  } catch (e) { }

  if (url.startsWith('imdb.com/') && url.match(/(imdb\.com\/\w+\/\w+\/)/)) {
    // Remove movie subpage from imdb url
    return url.match(/(imdb\.com\/\w+\/\w+\/)/)[1]
  } else if (url.startsWith('boxofficemojo.com/') && url.indexOf('id=') !== -1) {
    // Keep the important id= on
    try {
      const parts = url.split('?')
      const page = url[0] + '?'
      const idparam = url[1].match(/(id=.+?)(\.|&)/)[1]
      return page + idparam
    } catch (e) {
      return url
    }
  } else {
    // Default: Remove parameters
    return url.split('?')[0].split('&')[0]
  }
}

const parseLDJSON_cache = {}
function parseLDJSON (keys, condition) {
  if (document.querySelector('script[type="application/ld+json"]')) {
    const data = []
    const scripts = document.querySelectorAll('script[type="application/ld+json"]')
    for (let i = 0; i < scripts.length; i++) {
      let jsonld
      if (scripts[i].innerText in parseLDJSON_cache) {
        jsonld = parseLDJSON_cache[scripts[i].innerText]
      } else {
        try {
          jsonld = JSON.parse(scripts[i].innerText)
          parseLDJSON_cache[scripts[i].innerText] = jsonld
        } catch (e) {
          parseLDJSON_cache[scripts[i].innerText] = null
          continue
        }
      }
      if (jsonld) {
        if (Array.isArray(jsonld)) {
          data.push(...jsonld)
        } else {
          data.push(jsonld)
        }
      }
    }
    for (let i = 0; i < data.length; i++) {
      try {
        if (data[i] && data[i] && (typeof condition !== 'function' || condition(data[i]))) {
          if (Array.isArray(keys)) {
            const r = []
            for (let j = 0; j < keys.length; j++) {
              r.push(data[i][keys[j]])
            }
            return r
          } else if (keys) {
            return data[i][keys]
          } else if (typeof condition === 'function') {
            return data[i] // Return whole object
          }
        }
      } catch (e) {
        continue
      }
    }
    return data
  }
  return null
}

async function addToWhiteList (letterboxdUrl) {
  const whitelist = JSON.parse(await GM.getValue('whitelist', '{}'))
  const docUrl = filterUniversalUrl(document.location.href)
  whitelist[docUrl] = letterboxdUrl
  await GM.setValue('whitelist', JSON.stringify(whitelist))
}

async function removeFromWhiteList () {
  const whitelist = JSON.parse(await GM.getValue('whitelist', '{}'))
  const docUrl = filterUniversalUrl(document.location.href)
  if (docUrl in whitelist) {
    delete whitelist[docUrl]
    await GM.setValue('whitelist', JSON.stringify(whitelist))
  }
}

const current = {
  type: null,
  query: null,
  year: null
}

async function searchMovie (query, type, year, forceList) {
  // Load data from letterboxd search API or from cache

  current.type = type
  current.query = query
  current.year = year

  let whitelist = JSON.parse(await GM.getValue('whitelist', '{}'))

  if (forceList) {
    whitelist = {}
  }

  const docUrl = filterUniversalUrl(document.location.href)
  if (docUrl in whitelist) {
    return loadMovieRating({ url: whitelist[docUrl] })
  }

  const url = baseURL_search.replace('{query}', encodeURIComponent(query)).replace('{timestamp}', encodeURIComponent(Date.now()))

  const cache = JSON.parse(await GM.getValue('cache', '{}'))

  // Delete cached values, that are expired
  for (const prop in cache) {
    if ((new Date()).getTime() - (new Date(cache[prop].time)).getTime() > cacheExpireAfterHours * 60 * 60 * 1000) {
      delete cache[prop]
    }
  }

  // Check cache or request new content
  if (url in cache) {
    // Use cached response
    handleSearchResponse(cache[url], forceList)
  } else {
    GM.xmlHttpRequest({
      method: 'GET',
      url,
      onload: function (response) {
        // Save to chache

        response.time = (new Date()).toJSON()

        // Chrome fix: Otherwise JSON.stringify(cache) omits responseText
        const newobj = {}
        for (const key in response) {
          newobj[key] = response[key]
        }
        newobj.responseText = response.responseText

        cache[url] = newobj

        GM.setValue('cache', JSON.stringify(cache))

        handleSearchResponse(response, forceList)
      },
      onerror: function (response) {
        console.log('Letterboxd GM.xmlHttpRequest Error: ' + response.status + '\nURL: ' + url + '\nResponse:\n' + response.responseText)
      }
    })
  }
}

function handleSearchResponse (response, forceList) {
  // Handle GM.xmlHttpRequest response

  const result = JSON.parse(response.responseText)

  if (forceList && (result.result === false || !result.data || !result.data.length)) {
    window.alert('Letterboxd userscript\n\nNo results for ' + current.query)
  } else if (result.result === false || !result.data || !result.data.length) {
    console.log('Letterboxd: No results for ' + current.query)
  } else if (!forceList && result.data.length === 1) {
    loadMovieRating(result.data[0])
  } else {
    // Sort results by closest match
    function matchQuality (title, year, originalTitle) {
      if (title === current.query && year === current.year) {
        return 105 + year
      }
      if (originalTitle && originalTitle === current.query && year === current.year) {
        return 104 + year
      }
      if (title === current.query && current.year) {
        return 103 - Math.abs(year - current.year)
      }
      if (originalTitle && originalTitle === current.query && current.year) {
        return 102 - Math.abs(year - current.year)
      }
      if (title.replace(/\(.+\)/, '').trim() === current.query && current.year) {
        return 101 - Math.abs(year - current.year)
      }
      if (originalTitle && originalTitle.replace(/\(.+\)/, '').trim() === current.query && current.year) {
        return 100 - Math.abs(year - current.year)
      }
      if (title === current.query) {
        return 12
      }
      if (originalTitle && originalTitle === current.query) {
        return 11
      }
      if (title.replace(/\(.+\)/, '').trim() === current.query) {
        return 10
      }
      if (originalTitle && originalTitle.replace(/\(.+\)/, '').trim() === current.query) {
        return 9
      }
      if (title.startsWith(current.query)) {
        return 8
      }
      if (originalTitle && originalTitle.startsWith(current.query)) {
        return 7
      }
      if (current.query.indexOf(title) !== -1) {
        return 6
      }
      if (originalTitle && current.query.indexOf(originalTitle) !== -1) {
        return 5
      }
      if (title.indexOf(current.query) !== -1) {
        return 4
      }
      if (originalTitle && originalTitle.indexOf(current.query) !== -1) {
        return 3
      }
      if (current.query.toLowerCase().indexOf(title.toLowerCase()) !== -1) {
        return 2
      }
      if (title.toLowerCase().indexOf(current.query.toLowerCase()) !== -1) {
        return 1
      }
      return 0
    }

    result.data.sort(function (a, b) {
      if (!a.hasOwnProperty('matchQuality')) {
        a.matchQuality = matchQuality(a.name, a.releaseYear, a.originalName)
      }
      if (!b.hasOwnProperty('matchQuality')) {
        b.matchQuality = matchQuality(b.name, b.releaseYear, b.originalName)
      }

      return b.matchQuality - a.matchQuality
    })

    if (!forceList && result.data.length > 1 && result.data[0].matchQuality > 100 && result.data[1].matchQuality < result.data[0].matchQuality) {
      loadMovieRating(result.data[0])
    } else {
      showMovieList(result.data, new Date(response.time))
    }
  }
}

function showMovieList (arr, time) {
  // Show a small box in the right lower corner
  $('#mcdiv321letterboxd').remove()
  let main, div
  div = main = $('<div id="mcdiv321letterboxd"></div>').appendTo(document.body)
  div.css({
    position: 'fixed',
    bottom: 0,
    right: 0,
    minWidth: 100,
    maxHeight: '95%',
    overflow: 'auto',
    backgroundColor: '#fff',
    border: '2px solid #bbb',
    borderRadius: ' 6px',
    boxShadow: '0 0 3px 3px rgba(100, 100, 100, 0.2)',
    color: '#000',
    padding: ' 3px',
    zIndex: '5010001',
    fontFamily: 'Helvetica,Arial,sans-serif'
  })

  const imgFrame = function imgFrameFct (image125, scale) {
    if (!image125) {
      return
    }
    const id = 'iframeimg' + Math.random()
    const mWidth = 180.0 * scale - 45.0
    const mHeight = 180.0 * scale - 25
    let html = '<iframe id="' + id + '" sandbox scrolling="no" src="' + baseURL + image125 + '" marginheight="0" marginwidth="0" style="vertical-align:middle; padding:0px; border:none; display:inline; max-width:125px; margin-top:' + (40.0 * scale - 40.0) + '%; margin-left:' + (40.0 * scale - 40.0) + '%; transform:scale(' + scale + '); transform-origin:bottom right"></iframe> '
    html += '<div style="position:absolute;top:0px;left:0px;width:' + mWidth + 'px;height:' + mHeight + 'px"></div> '
    GM.xmlHttpRequest({
      method: 'GET',
      url: baseURL + image125,
      onload: function (response) {
        const html = '<base href="' + baseURL + '">' + response.responseText
        if (html.indexOf('empty-poster-')) {
          const emptyPoster = html.match(/src="(https:\/\/\S+)"/)[1]
          const width = html.match(/data-image-width="(\d+)"/)[1]
          const height = html.match(/data-image-height="(\d+)"/)[1]
          const filmId = html.match(/data-film-id="(\d+)"/)[1]
          const cacheBustingKey = html.match(/data-cache-busting-key="(\w+)"/)[1]
          const dashTitle = html.match(/data-target-link="\/film\/(\S+)\/"/)[1]
          const slashFilmId = filmId.toString().split('').join('/')

          const emptyImg = new Image()
          emptyImg.src = emptyPoster
          emptyImg.style.maxWidth = mWidth + 'px'
          emptyImg.style.maxHeight = mHeight + 'px'
          document.getElementById(id).parentNode.replaceChild(emptyImg, document.getElementById(id))

          const img = new Image()
          img.onload = function () {
            emptyImg.parentNode.replaceChild(img, emptyImg)
          }
          img.style.maxWidth = mWidth + 'px'
          img.style.maxHeight = mHeight + 'px'
          img.src = `https://a.ltrbxd.com/resized/film-poster/${slashFilmId}/${filmId}-${dashTitle}-0-${width}-0-${height}-crop.jpg?k=${cacheBustingKey}`
        } else {
          document.getElementById(id).src = 'data:text/html;charset=utf-8,' + escape(html)
        }
      }
    })
    return html
  }

  // First result
  const first = $('<div style="position:relative"><a style="font-size:small; color:#136CB2; " href="' + baseURL + arr[0].url + '">' + imgFrame(arr[0].image125, 0.75) + '<div style="max-width:350px;display:inline-block">' + arr[0].name + (arr[0].originalTitle ? ' [' + arr[0].originalTitle + ']' : '') + (arr[0].releaseYear ? ' (' + arr[0].releaseYear + ')' : '') + '</div></a></div>').click(selectMovie).appendTo(main)
  first[0].dataset.movie = JSON.stringify(arr[0])

  // Shall the following results be collapsed by default?
  if ((arr.length > 1 && arr[0].matchQuality > 10) || arr.length > 10) {
    $('<span style="color:gray;font-size: x-small">More results...</span>').appendTo(main).click(function () { more.css('display', 'block'); this.parentNode.removeChild(this) })
    const more = div = $('<div style="display:none"></div>').appendTo(main)
  }

  // More results
  for (let i = 1; i < arr.length; i++) {
    const entry = $('<div style="position:relative"><a style="font-size:small; color:#136CB2; " href="' + baseURL + arr[i].url + '">' + imgFrame(arr[i].image125, 0.5) + '<div style="max-width:350px;display:inline-block">' + arr[i].name + (arr[i].originalTitle ? ' [' + arr[i].originalTitle + ']' : '') + (arr[0].releaseYear ? ' (' + arr[0].releaseYear + ')' : '') + '</div></a></div>').click(selectMovie).appendTo(div)
    entry[0].dataset.movie = JSON.stringify(arr[i])
  }

  // Footer
  const sub = $('<div></div>').appendTo(main)
  $('<time style="color:#789; font-size: 11px;" datetime="' + time + '" title="' + time.toLocaleTimeString() + ' ' + time.toLocaleDateString() + '">' + minutesSince(time) + '</time>').appendTo(sub)
  $('<a style="color:#789; font-size: 11px;" target="_blank" href="' + baseURL_openTab.replace('{query}', encodeURIComponent(current.query)) + '" title="Open Letterboxd">@letterboxd.com</a>').appendTo(sub)
  $('<span title="Hide me" style="cursor:pointer; float:right; color:#789; font-size: 11px; padding-left:5px;padding-top:3px">&#10062;</span>').appendTo(sub).click(function () {
    document.body.removeChild(this.parentNode.parentNode)
  })
}

function selectMovie (ev) {
  ev.preventDefault()
  $('#mcdiv321letterboxd').html('Loading...')

  const data = JSON.parse(this.dataset.movie)

  loadMovieRating(data)

  addToWhiteList(data.url)
}

async function loadMovieRating (data) {
  // Load page from letterboxd

  if ('name' in data) {
    current.query = data.name
  }
  if ('releaseYear' in data) {
    current.year = data.releaseYear
  }

  const url = baseURL_ratingHistogram.replace('{url}', data.url)

  const cache = JSON.parse(await GM.getValue('cache', '{}'))

  // Delete cached values, that are expired
  for (const prop in cache) {
    if ((new Date()).getTime() - (new Date(cache[prop].time)).getTime() > cacheExpireAfterHours * 60 * 60 * 1000) {
      delete cache[prop]
    }
  }

  // Check cache or request new content
  if (url in cache) {
    // Use cached response
    showMovieRating(cache[url], data.url, data)
  } else {
    GM.xmlHttpRequest({
      method: 'GET',
      url,
      onload: function (response) {
        // Save to chache
        response.time = (new Date()).toJSON()

        // Chrome fix: Otherwise JSON.stringify(cache) omits responseText
        const newobj = {}
        for (const key in response) {
          newobj[key] = response[key]
        }
        newobj.responseText = response.responseText

        cache[url] = newobj

        GM.setValue('cache', JSON.stringify(cache))

        showMovieRating(newobj, data.url, data)
      },
      onerror: function (response) {
        console.log('GM.xmlHttpRequest Error: ' + response.status + '\nURL: ' + url + '\nResponse:\n' + response.responseText)
      }
    })
  }
}

function showMovieRating (response, letterboxdUrl, otherData) {
  // Show a small box in the right lower corner
  const time = new Date(response.time)

  $('#mcdiv321letterboxd').remove()
  let main, div
  div = main = $('<div id="mcdiv321letterboxd"></div>').appendTo(document.body)
  div.css({
    position: 'fixed',
    bottom: 0,
    right: 0,
    width: 230,
    minHeight: 44,
    color: '#789',
    padding: ' 3px',
    zIndex: '5010001',
    fontFamily: 'Helvetica,Arial,sans-serif'
  })

  const CSS = `<style>
.rating {
    display: inline-block;
    height: 16px;
    background: url(https://s.ltrbxd.com/static/img/sprite.18bffd5e.svg) no-repeat -290px -90px;
    background-position-x: -290px;
    background-position-y: -90px;
    text-indent: 110%;
    white-space: nowrap;
    overflow: hidden;
}
.rating-green .rating{
    background-position:-450px -50px
}
.rating-green .rated-0{
    width:0
}
.rating-green .rated-1{
    width:13px;
    background-position:-515px -50px
}
.rating-green .rated-2{
    width:12px
}
.rating-green .rated-3{
    width:26px;
    background-position:-502px -50px
}
.rating-green .rated-4{
    width:25px
}
.rating-green .rated-5{
    width:39px;
    background-position:-489px -50px
}
.rating-green .rated-6{
    width:38px
}
.rating-green .rated-7{
    width:52px;
    background-position:-476px -50px
}
.rating-green .rated-8{
    width:51px
}
.rating-green .rated-9{
    width:65px;
    background-position:-463px -50px
}
.rating-green .rated-10{
    width:64px
}
.rating-green-tiny .rating{
    background-position:-350px -380px;
    height:9px
}
.rating-green-tiny .rated-2{
    width:9px
}
.rating-green-tiny .rated-10{
    width:49px
}
.rating-histogram,.rating-histogram ul{
    height:44px
}
.rating-histogram .rating-1,.rating-histogram .rating-5{
    position:absolute;
    bottom:0;
    display:block;
    height:9px
}
.rating-histogram .rating-1 .rating,.rating-histogram .rating-5 .rating{
    display:block
}
.rating-histogram .rating-1{
    left:0
}
.rating-histogram .rating-5{
    right:0
}
.rating-histogram ul{
    width:200px;
    left:15px
}
.rating-histogram ul,.rating-histogram ul li{
    display:block;
    overflow:hidden;
    position:absolute;
    bottom:0
}
.rating-histogram ul li{
    height:1px;
    width:30px;
    height:100%;
    font-size:10px;
    line-height:1;
    text-indent:110%;
    white-space:nowrap;
    border-bottom:0px
}
#mcdiv321letterboxd:hover .rating-histogram ul li{
    border-bottom:2px solid green
}

.rating-histogram i{
    background:#456;
    border-top-right-radius:2px;
    border-top-left-radius:2px
}
.rating-histogram a,.rating-histogram i{
    width:100%;
    position:absolute;
    bottom:0;
    left:0
}
.rating-histogram a{
    display:block;
    top:0;
    right:0;
    background:none;
    padding:0;
    color:#789
}
.rating-histogram a:link,.rating-histogram a:visited{
    color:#789;
    text-decoration:none
}
.rating-histogram a:hover i{
    background-color:#678
}
.ratings-histogram-chart .section-heading{
    margin-bottom:15px
}
.ratings-histogram-chart .average-rating{
    position:absolute;
    top:8px;
    left:188px;
    z-index:1
}
.ratings-histogram-chart .average-rating .display-rating{
    display:block;
    font-size:20px;
    text-align:center;
    color:#789;
    margin-left:1px;
    line-height:40px;
    width:33px;
    height:33px;
    border-radius:20px;
    font-family:Graphik-Light-Web,sans-serif;
    font-weight:400
}
.rating-histogram {
    overflow:hidden;
    color:#9ab;
    display:block;
    width: 230px;
    height: 44px;
    position: relative
}
.ratings-histogram-chart .all-link.more-link {
    font-size:10px;
    position:absolute;
    top:0;
    left:180px;
}
.rating-histogram.clear {
  visibility: visible !important;
}
#mcdiv321letterboxd .footer {
    display:none;
}

#mcdiv321letterboxd:hover .footer {
    display:block;
}

#mcdiv321letterboxd {
    border:none;
    border-radius: 0px;
    background-color:transparent;
    transition:bottom 0.7s, background-color 0.5s, height 0.5s;
}

#mcdiv321letterboxd:hover {
    border-radius: 4px;
    background-color:rgb(44, 52, 64)
}

/* Fixes/Resets for interfering site css */
#mcdiv321letterboxd .tooltip{
  border: none;
  box-shadow:none;
  background-color:transparent;
  opacity:1.0;
  white-space: nowrap;
}






</style>`

  $(CSS).appendTo(main)
  const section = $(fixLetterboxdURLs(response.responseText)).appendTo(main)

  section.find('h2').remove()

  let identName = current.query
  let identYear = current.year ? ' (' + current.year + ')' : ''
  let identOriginalName = ''
  let identDirector = ''
  if (otherData) {
    if ('name' in otherData && otherData.name) {
      identName = otherData.name
    }
    if ('year' in otherData && otherData.year) {
      identYear = ' (' + otherData.year + ')'
    }
    if ('originalName' in otherData && otherData.originalName) {
      identOriginalName = ' "' + otherData.originalName + '"'
    }
    if ('directors' in otherData) {
      identDirector = []
      for (let i = 0; i < otherData.directors.length; i++) {
        if ('name' in otherData.directors[i]) {
          identDirector.push(otherData.directors[i].name)
        }
      }
      if (identDirector) {
        identDirector = '<br><span style="font-size:10px">Dir. ' + identDirector.join(', ') + '</span>'
      } else {
        identDirector = ''
      }
    }
  }

  // Footer
  const sub = $('<div class="footer"></div>').appendTo(main)
  $('<span style="color:#789; font-size: 11px">' + identName + identOriginalName + identYear + identDirector + '</span>').appendTo(sub)
  $('<br>').appendTo(sub)
  $('<time style="color:#789; font-size: 11px;" datetime="' + time + '" title="' + time.toLocaleTimeString() + ' ' + time.toLocaleDateString() + '">' + minutesSince(time) + '</time>').appendTo(sub)
  $('<a style="color:#789; font-size: 11px;" target="_blank" href="' + baseURL + letterboxdUrl + '" title="Open Letterboxd">@letterboxd.com</a>').appendTo(sub)
  $('<span title="Hide me" style="cursor:pointer; float:right; color:#789; font-size: 11px">&#10062;</span>').appendTo(sub).click(function () {
    document.getElementById('mcdiv321letterboxd').remove()
  })
  $('<span title="Wrong movie!" style="cursor:pointer; float:right; color:#789; font-size: 11px">&#128581;</span>').appendTo(sub).click(function () {
    removeFromWhiteList()
    searchMovie(current.query, current.type, current.year, true)
  })
  $('<span style="clear:right">').appendTo(sub)
}

const Always = () => true
const sites = {
  googleplay: {
    host: ['play.google.com'],
    condition: Always,
    products: [
      {
        condition: () => ~document.location.href.indexOf('/movies/details/'),
        type: 'movie',
        data: () => document.querySelector('*[itemprop=name]').textContent
      }
    ]
  },
  imdb: {
    host: ['imdb.com'],
    condition: () => !~document.location.pathname.indexOf('/mediaviewer') && !~document.location.pathname.indexOf('/mediaindex') && !~document.location.pathname.indexOf('/videoplayer'),
    products: [
      {
        condition: function () {
          const e = document.querySelector("meta[property='og:type']")
          if (e && e.content === 'video.movie') {
            return true
          } else if (document.querySelector('[data-testid="hero-title-block__title"]') && !document.querySelector('[data-testid="hero-subnav-bar-left-block"] a[href*="episodes/"]')) {
          // New design 2020-12
            return true
          }
          return false
        },
        type: 'movie',
        data: function () {
          let year = null
          let name = null
          let jsonld = null
          if (document.querySelector('[data-testid="hero-title-block__title"]')) {
          // New design 2020-12
            const m = document.title.match(/\s+\((\d{4})\)/)
            if (m) {
              year = parseInt(m[1])
            }
            return [document.querySelector('[data-testid="hero-title-block__title"]').textContent, year]
          }
          if (document.querySelector('#titleYear')) {
            year = parseInt(document.querySelector('#titleYear a').firstChild.textContent)
          }
          if (document.querySelector("meta[property='og:title']") && document.querySelector("meta[property='og:title']").content) { // English title, this is the prefered title for Rottentomatoes' search
            name = document.querySelector("meta[property='og:title']").content.trim()
            if (name.indexOf('- IMDb') !== -1) {
              name = name.replace('- IMDb', '').trim()
            }
            name = name.replace(/\(\d{4}\)/, '').trim()
          }
          if (document.querySelector('script[type="application/ld+json"]')) { // Original title and release year
            jsonld = parseLDJSON(['name', 'datePublished'])
            if (name === null) { name = jsonld[0] }
            if (year === null) { year = parseInt(jsonld[1].match(/\d{4}/)[0]) }
          }
          if (name !== null && year !== null) {
            return [name, year] // Use original title
          }
          if (document.querySelector('.originalTitle') && document.querySelector('.title_wrapper h1')) {
            return [document.querySelector('.title_wrapper h1').firstChild.textContent.trim(), year] // Use localized title
          } else if (document.querySelector('h1[itemprop=name]')) { // Movie homepage (New design 2015-12)
            return [document.querySelector('h1[itemprop=name]').firstChild.textContent.trim(), year]
          } else if (document.querySelector('*[itemprop=name] a') && document.querySelector('*[itemprop=name] a').firstChild.textContent) { // Subpage of a move
            return [document.querySelector('*[itemprop=name] a').firstChild.textContent.trim(), year]
          } else if (document.querySelector('.title-extra[itemprop=name]')) { // Movie homepage: sub-/alternative-/original title
            return [document.querySelector('.title-extra[itemprop=name]').firstChild.textContent.replace(/"/g, '').trim(), year]
          } else if (document.querySelector('*[itemprop=name]')) { // Movie homepage (old design)
            return [document.querySelector('*[itemprop=name]').firstChild.textContent.trim(), year]
          } else {
            const rm = document.title.match(/(.+?)\s+(\(\d+\))? - IMDb/)
            return [rm[1], rm[2]]
          }
        }
      }
    ]
  },
  metacritic: {
    host: ['www.metacritic.com'],
    condition: () => document.querySelector("meta[property='og:type']"),
    products: [{
      condition: () => document.querySelector("meta[property='og:type']").content === 'video.movie',
      type: 'movie',
      data: function () {
        let year = null
        if (document.querySelector('.release_year')) {
          year = parseInt(document.querySelector('.release_year').firstChild.textContent)
        } else if (document.querySelector('.release_data .data')) {
          year = document.querySelector('.release_data .data').textContent.match(/(\d{4})/)[1]
        }

        return [document.querySelector("meta[property='og:title']").content, year]
      }
    }]
  },
  amazon: {
    host: ['amazon.'],
    condition: Always,
    products: [{
      condition: () => document.querySelector('[data-automation-id=title]'),
      type: 'movie',
      data: () => document.querySelector('[data-automation-id=title]').textContent.trim().replace(/\[.{1,8}\]/, '')
    }]
  },
  BoxOfficeMojo: {
    host: ['boxofficemojo.com'],
    condition: () => Always,
    products: [
      {
        condition: () => document.location.pathname.startsWith('/release/'),
        type: 'movie',
        data: function () {
          let year = null
          const cells = document.querySelectorAll('#body .mojo-summary-values .a-section span')
          for (let i = 0; i < cells.length; i++) {
            if (~cells[i].innerText.indexOf('Release Date')) {
              year = parseInt(cells[i].nextElementSibling.textContent.match(/\d{4}/)[0])
              break
            }
          }
          return [document.querySelector('meta[name=title]').content, year]
        }
      },
      {
        condition: () => ~document.location.search.indexOf('id=') && document.querySelector('#body table:nth-child(2) tr:first-child b'),
        type: 'movie',
        data: function () {
          let year = null
          try {
            const tds = document.querySelectorAll('#body table:nth-child(2) tr:first-child table table table td')
            for (let i = 0; i < tds.length; i++) {
              if (~tds[i].innerText.indexOf('Release Date')) {
                year = parseInt(tds[i].innerText.match(/\d{4}/)[0])
                break
              }
            }
          } catch (e) { }
          return [document.querySelector('#body table:nth-child(2) tr:first-child b').firstChild.textContent, year]
        }
      }]
  },
  AllMovie: {
    host: ['allmovie.com'],
    condition: () => document.querySelector('h2.movie-title'),
    products: [{
      condition: () => document.querySelector('h2.movie-title'),
      type: 'movie',
      data: () => document.querySelector('h2.movie-title').firstChild.textContent.trim()
    }]
  },
  'en.wikipedia': {
    host: ['en.wikipedia.org'],
    condition: Always,
    products: [{
      condition: function () {
        if (!document.querySelector('.infobox .summary')) {
          return false
        }
        const r = /\d\d\d\d films/
        return $('#catlinks a').filter((i, e) => e.firstChild.textContent.match(r)).length
      },
      type: 'movie',
      data: () => document.querySelector('.infobox .summary').firstChild.textContent
    }]
  },
  fandango: {
    host: ['fandango.com'],
    condition: () => document.querySelector("meta[property='og:title']"),
    products: [{
      condition: Always,
      type: 'movie',
      data: () => document.querySelector("meta[property='og:title']").content.match(/(.+?)\s+\(\d{4}\)/)[1].trim()
    }]
  },
  flixster: {
    host: ['www.flixster.com'],
    condition: () => Always,
    products: [{
      condition: () => parseLDJSON('@type') === 'Movie',
      type: 'movie',
      data: () => parseLDJSON('name', (j) => (j['@type'] === 'Movie'))
    }]
  },
  themoviedb: {
    host: ['themoviedb.org'],
    condition: () => document.querySelector("meta[property='og:type']"),
    products: [{
      condition: () => document.querySelector("meta[property='og:type']").content === 'movie',
      type: 'movie',
      data: function () {
        let year = null
        try {
          year = parseInt(document.querySelector('.release_date').innerText.match(/\d{4}/)[0])
        } catch (e) {}

        return [document.querySelector("meta[property='og:title']").content, year]
      }
    }]
  },
  rottentomatoes: {
    host: ['rottentomatoes.com'],
    condition: Always,
    products: [{
      condition: () => document.location.pathname.startsWith('/m/'),
      type: 'movie',
      data: () => document.querySelector('h1').firstChild.textContent
    }
    ]
  },
  nme: {
    host: ['nme.com'],
    condition: () => document.location.pathname.startsWith('/reviews/'),
    products: [{
      condition: () => document.querySelector('.tdb-breadcrumbs a[href*="/reviews/film-reviews"]'),
      type: 'movie',
      data: function () {
        let year = null
        try {
          year = parseInt(document.querySelector('*[itemprop=datePublished]').content.match(/\d{4}/)[0])
        } catch (e) {}

        try {
          return [document.title.match(/[‘'](.+?)[’']/)[1], year]
        } catch (e) {
          try {
            return [document.querySelector('h1.tdb-title-text').textContent.match(/[‘'](.+?)[’']/)[1], year]
          } catch (e) {
            return [document.querySelector('h1').textContent.match(/:\s*(.+)/)[1].trim(), year]
          }
        }
      }
    }]
  },
  TheTVDB: {
    host: ['thetvdb.com'],
    condition: Always,
    products: [{
      condition: () => document.location.pathname.startsWith('/movies/'),
      type: 'movie',
      data: () => document.getElementById('series_title').firstChild.textContent.trim()
    }]
  },
  itunes: {
    host: ['itunes.apple.com'],
    condition: Always,
    products: [{
      condition: () => ~document.location.href.indexOf('/movie/'),
      type: 'movie',
      data: () => parseLDJSON('name', (j) => (j['@type'] === 'Movie'))
    }]
  },
  TVHoard: {
    host: ['tvhoard.com'],
    condition: Always,
    products: [{
      condition: () => document.location.pathname.split('/').length === 3 && document.location.pathname.split('/')[1] === 'titles' && !document.querySelector('app-root title-secondary-details-panel .seasons') && document.querySelector('app-root title-page-container h1.title a'),
      type: 'movie',
      data: () => [document.querySelector('app-root title-page-container h1.title a').textContent.trim(), document.querySelector('app-root title-page-container title-primary-details-panel h1.title .year').textContent.trim().substring(1, 5)]
    }]
  },
  RlsBB: {
    host: ['rlsbb.ru'],
    condition: () => document.querySelectorAll('.post').length === 1,
    products: [
      {
        condition: () => document.querySelector('#post-wrapper .entry-meta a[href*="/category/movies/"]'),
        type: 'movie',
        data: () => document.querySelector('h1.entry-title').textContent.match(/(.+?)\s+\d{4}/)[1].trim()
      }]
  },
  showtime: {
    host: ['sho.com'],
    condition: Always,
    products: [
      {
        condition: () => parseLDJSON('@type') === 'Movie',
        type: 'movie',
        data: () => parseLDJSON('name', (j) => (j['@type'] === 'Movie'))
      }]
  },
  psapm: {
    host: ['psa.pm'],
    condition: Always,
    products: [
      {
        condition: () => document.location.pathname.startsWith('/movie/'),
        type: 'movie',
        data: function () {
          const title = document.querySelector('h1').textContent.trim()
          const m = title.match(/(.+)\((\d+)\)$/)
          if (m) {
            return [m[1].trim(), parseInt(m[2])]
          } else {
            return title
          }
        }
      }]
  }

}

function main () {
  let dataFound = false
  for (const name in sites) {
    const site = sites[name]
    if (site.host.some(function (e) { return ~this.indexOf(e) }, document.location.hostname) && site.condition()) {
      for (let i = 0; i < site.products.length; i++) {
        if (site.products[i].condition()) {
          // Try to retrieve item name from page
          let data
          try {
            data = site.products[i].data()
          } catch (e) {
            data = false
            console.error(`ShowLetterboxd: Error in data() of site='${name}', type='${site.products[i].type}'`)
            console.error(e)
          }
          if (data) {
            if (Array.isArray(data) && data[1]) {
              searchMovie(data[0].trim(), site.products[i].type, parseInt(data[1]))
            } else {
              searchMovie(data.trim(), site.products[i].type)
            }
            dataFound = true
          }
          break
        }
      }
      break
    }
  }
  return dataFound
}

async function adaptForRottentomatoesScript () {
  if (!document.getElementById('mcdiv321rotten') || !document.getElementById('mcdiv321letterboxd')) {
    return
  }
  const h = parseInt(document.getElementById('mcdiv321rotten').clientHeight) + 5
  if (document.getElementById('mcdiv321letterboxd').dataset.adapted && parseInt(document.getElementById('mcdiv321letterboxd').dataset.adapted) === h) {
    return
  }
  const letterboxd = document.getElementById('mcdiv321letterboxd')
  letterboxd.style.bottom = h + 'px'
  document.getElementById('mcdiv321letterboxd').dataset.adapted = h
}

(function () {
  const firstRunResult = main()
  let lastLoc = document.location.href
  let lastContent = document.body.innerText
  let lastCounter = 0
  function newpage () {
    if (lastContent === document.body.innerText && lastCounter < 15) {
      window.setTimeout(newpage, 500)
      lastCounter++
    } else {
      lastContent = document.body.innerText
      lastCounter = 0
      const re = main()
      if (!re) { // No page matched or no data found
        window.setTimeout(newpage, 1000)
      }
    }
  }
  window.setInterval(function () {
    adaptForRottentomatoesScript()
    if (document.location.href !== lastLoc) {
      lastLoc = document.location.href
      $('#mcdiv321letterboxd').remove()

      window.setTimeout(newpage, 1000)
    }
  }, 500)

  if (!firstRunResult) {
    // Initial run had no match, let's try again there may be new content
    window.setTimeout(main, 2000)
  }
})()